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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-63387] StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor</title>
                <link>https://jira.mongodb.org/browse/SERVER-63387</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The server uses a streaming cursor to pre-fetch 1,000 backup blocks from WiredTiger instead of loading all of the backup blocks into memory at once.&lt;/p&gt;

&lt;p&gt;Backup blocks returned by WiredTiger are pushed into a list, but when it&apos;s time to return these backup blocks to the user, we return them from the back of the list instead of the front. This causes us to return backup blocks out-of-order with what WiredTiger reported.&lt;/p&gt;

&lt;p&gt;The Cloud back-end code expects that all the diffs for a file will be reported consecutively, without the diffs for any other files reported in between. The offsets are also reported in descending order instead of ascending order.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1978789">SERVER-63387</key>
            <summary>StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="yujin.kang@mongodb.com">Yujin Kang Park</assignee>
                                    <reporter username="gregory.wlodarek@mongodb.com">Gregory Wlodarek</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Mon, 7 Feb 2022 18:30:19 +0000</created>
                <updated>Sun, 29 Oct 2023 21:42:55 +0000</updated>
                            <resolved>Wed, 23 Mar 2022 09:30:18 +0000</resolved>
                                    <version>5.0.5</version>
                                    <fixVersion>5.0.8</fixVersion>
                    <fixVersion>6.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="4491764" author="xgen-internal-githook" created="Tue, 19 Apr 2022 17:20:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63387&quot; title=&quot;StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-63387&quot;&gt;&lt;del&gt;SERVER-63387&lt;/del&gt;&lt;/a&gt; Reverse return order of backup cursors in StreamingCursor&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/250e543f214ee5c327a5b569f04f9f76278a3f82&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/250e543f214ee5c327a5b569f04f9f76278a3f82&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4491762" author="xgen-internal-githook" created="Tue, 19 Apr 2022 17:20:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63387&quot; title=&quot;StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-63387&quot;&gt;&lt;del&gt;SERVER-63387&lt;/del&gt;&lt;/a&gt; Reverse return order of backup cursors in StreamingCursor&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/f503d3f7119dcbd0cd2b8944c932a81c098a533b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/f503d3f7119dcbd0cd2b8944c932a81c098a533b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4423356" author="xgen-internal-githook" created="Mon, 21 Mar 2022 11:42:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63387&quot; title=&quot;StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-63387&quot;&gt;&lt;del&gt;SERVER-63387&lt;/del&gt;&lt;/a&gt; Change std::vector for std::deque to allow efficient pop front. Reverse return order of backup cursors in StreamingCursor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5f6240ddc9f36aafd211e96bc9313068918bc02a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5f6240ddc9f36aafd211e96bc9313068918bc02a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4423355" author="xgen-internal-githook" created="Mon, 21 Mar 2022 11:42:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63387&quot; title=&quot;StreamingCursor should return backup blocks in the order they were retrieved from the WiredTiger backup cursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-63387&quot;&gt;&lt;del&gt;SERVER-63387&lt;/del&gt;&lt;/a&gt; Change std::vector for std::deque to allow efficient pop front. Reverse return order of backup cursors in StreamingCursor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/0ed8687779ff08dfca2c99032baf2853900a26a6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/0ed8687779ff08dfca2c99032baf2853900a26a6&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2005589">SERVER-64739</issuekey>
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                            <attachment id="359082" name="patch.diff" size="608" author="gregory.wlodarek@mongodb.com" created="Mon, 7 Feb 2022 19:45:51 +0000"/>
                            <attachment id="359083" name="repro.js" size="2846" author="gregory.wlodarek@mongodb.com" created="Mon, 7 Feb 2022 19:45:53 +0000"/>
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